Question

tính nhanh: 679+679x123-679x24

Answer 1

679 + 679 x 123 - 679 x 24

= 679 x 1 + 679 x 123 - 679 x 24

= 679 x ( 1 + 123 - 24 )

= 679 x 100

= 67900

k mik nhe

Answer 2

679+679x123-679x24

=679x1+679x123-679x24

=679x(1+123-24)

=679x100

=67900

Answer 3

679+679×123-679×24 =